At times like this, Kevin Garnett remembers when he first joined the Celtics in August 2007.

Danny Ainge had just completed the mother of all trades — one that directly led to an NBA title — and the Celtics president of basketball operations made it clear to the new arrivals that he loved an active marketplace.

“Danny made it very obvious to us since Day 1 since he brought Ray (Allen) and myself here to be aligned with Paul (Pierce) that he was going to do whatever was best for this organization,” Garnett said before yesterday’s practice. “He’s always made it apparent, and I’ve always understood that.”

Though coach Doc Rivers went to great lengths yesterday to disparage the idea that his aging Hall of Famers are the subjects of more than idle trade chatter, Garnett didn’t sound surprised.

He has the power to veto any deal, but as evidenced by a recent Sporting News report that the Clippers approached the Celtics about trading Eric Bledsoe and Caron Butler for Garnett, he knows better than to lose sleep at this time of year.

Anything is possible, as he once shouted.

“I bleed green, I’ll die green, that’s what it is,” he said. “But it is a business, and when that process is passed, I’ll deal with it. Trades are a part of this league. Every year you’re going to hear certain things.”

Garnett also offered the following reassurance: “If I were y’all, I wouldn’t read too much into it.”

The Celtics center turned more emphatic when asked about the possibility of Pierce leaving for another team by the Feb. 21 trade deadline.

“No, I won’t envision that,” Garnett said. “It’s (that time) of the year, All-Star (time), and right after All-Stars you start to hear some of those things. Part of it is chatter, and some of it is real. You just have to be able to block certain things out. What happens is out of your control at certain times. The things you can control, you control. If a situation comes up where you have to move, then you get ready for it.”